Print, hand coloured engraving, "Long Sleddale Slate Quarry, Westmorland" by Thomas Allom, engraved by J W Lowry, in
"Westmorland, Cumberland, Durham and Northumberland Illustrated" (vol.3 no.47)
published by H Fisher, R Fisher, and P Jackson, Newgate, London, about 1835, with descriptions by Thomas Rose:-|
"The extensive slate quarries are situated at Rangle Gill, near the head of the dale, and are famous both for the quality and
quantity of fine blue slate which they yield. The slabs are conveyed from the quarries on the backs of ponies and asses,
the roads being inaccessible to carts."